Page 249, Coues on Geomys and Thomomys.

Exploration of the Colorado River of the West and Its Tributaries Explored in 1869, 1870, 1871, and 1872, Under the Direction of the Secretary of the Smithsonian Institution.

Subject

John Wesley Powell; exploration; Colorado River

Creator

Powell, John Wesley, 1834-1902

Description

Digitized version of the book Exploration of the Colorado River of the West and Its Tributaries Explored in 1869, 1870, 1871, and 1872, Under the Direction of the Secretary of the Smithsonian Institution.